Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880636 | Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring | Henry E. Rogers, Earl Webb, David D. Szarka, Frank Acosta | 2005-04-19 |
| 6772835 | Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring | Henry E. Rogers, Earl Webb, David D. Szarka, Frank Acosta | 2004-08-10 |
| 5906943 | Method and apparatus for controlling gas evolution from chemical reactions | James R. Skorpik | 1999-05-25 |
| 4849693 | Automated measurement system employing eddy currents to adjust probe position and determine metal hardness | James M. Prince, Wayne M. Lechelt | 1989-07-18 |
| 4735851 | Process for the assembly of wooden components and assembly of wooden components | John R. Presley | 1988-04-05 |
| 4620892 | Process for the assembly of wooden components and assembly of wooden components | John R. Presley | 1986-11-04 |